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Revista médica de Chile

Print version ISSN 0034-9887


MARINE, Leopoldo et al. Mechanical and pharmacomechanical trombolysis in deep venous thrombosis with no clinical response to conventional treatment. Rev. méd. Chile [online]. 2017, vol.145, n.1, pp.63-71. ISSN 0034-9887.

Background: Conventional treatment of deep vein thrombosis (DVT) is anticoagulation, bed rest and limb elevation. Proximal DVT patients with persisting edema, pain and cyanosis of extremities despite of conventional therapy may develop ischemia. Direct treatment of thrombosis becomes necessary. Aim: To report our experience with mechanical trombolysis of proximal lower extremity DVT. Material and Methods: Retrospective review of medical records of proximal DVT patients treated with thrombolysis between March 2012 and August 2015. Thirteen patients, 14 limbs, median age 34 years (22-85), 8 women, were admitted with pain and swelling of recent onset; one patient with venous gangrene. All patients initially received heparin in therapeutic doses without clinical improvement. Results: In all 13 cases, mechanical thrombolysis was performed using AngioJet®, and associated with single dose thrombolytic agent in 9. Additional angioplasty for residual stenosis was performed in 12 (7 stents) and IVCF were implanted in 8. All patients were subsequently anticoagulated. Early outcomes with disappearance of pain and decrease of edema, with no mortality or bleeding complications. The patient with foot gangrene required amputation. Conclusions: Mechanical thrombolysis with a single dose of a thrombolytic agent is safe and effective in patients with proximal DVT with an unfavorable evolution.

Keywords : Gangrene; Mechanical Thrombolysis; Thrombolytic Therapy; Thrombophlebitis; Venous Thrombosis.

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